The CTR style stock is a drop-in replacement buttstock for M4 carbines using mil-spec sized receiver extension tubes. Designed for light, fast action the streamlined A-frame profile avoids snagging and shields the release latch to prevent accidental activation. It’s also features a supplemental friction lock system that minimizes excessive stock movement for enhanced blaster stability and an ambidextrous QD sling mount that will accept any push-button sling swivel. It has a thick rubber butt-pad which provides positive shoulder purchase to prevent slippage even with body armor or modular gear.